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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <!-- 输出100-200之间所有的质数 -->
    <script>

        for (i = 100; i <= 200; i++) {
            var flag = true;
            for (var a = 2; a < i; a++) {
                if (i % a == 0) {
                    flag = false;
                }
            }
            if (flag) {
                console.log(i)
            }
        }
    </script>
</body>

</html>